Are you talking about the calculator here? If yes, this is what you do: Enter your first number, 6.626, then press the letter "e" in the top left-hand, then enter 34 followed by +,- key to the right of zero. It should look like this:6.626e-34. "e" stands for "exponent of 10". Now, you hit one the four operations, +,-,x,/. Next you enter your second number exactly the same as the first number. Finally, you hit the = key twice. That should get you what you want. Good luck.

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